the cost of 2 pencils and 3 resources 9 and the cost of 4 pencils and erasers is 18 find the cost of each pencil and eraser
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let number of pencil=x
let number of erasers also=x
=2x+3x=9
=5x=9
x=9/5
=1.5=x
so cost of 1 pencil is 1.5 rupee
I hope it helps you
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